(1/2)ҳ
ҹīεҡҡͷڵϣһˮѩѾˣҲʱˣץѩˣҪúʰȻŭأ
ҲǺܴӿԸ˸߳꣬ҲþһԶԸߡЩİ̸ǰĴ֮ļҲǽǰˣӿԼһҪԼʵij嶯
ԵıѾdz˳ֽԤֵˣڴʵϣΪһһ꼶ѧѾ˵ȹԼһλˡ
ӳҲDzͨˣͷȸϳҰȻȥϲ˵
ƺѾ˯˹ȥβѾһֻʣմȾЩѪijβԼһβ
ĸոһͬʱһʱȫ֮ϡ
֪Լ˵ʲôȻһȴûиԥʱ䡣
ô˵ѵʱԸø˿ȷϡ
֮ǰϣĵȺҲû⣬ȵһʱҾԼŶˡ
㣬ô졭һУŴⲻϱƽľѲ飬ֵıĸ첲ߵĿ֮Ҳ¶һĨκͺ䡣
ۼ˳ֱ֣֣ͣѸ˱ȥͬ˷쳣ĸУȻͬǼ˼Ϊ
ִһܴİװ˺ܶණңǸȥˡָ̨ķһָƺϵ죬ռգۼ㵽̨ϡ
ڱֻһʹȫȥֻӣ͵Բ˫ֹۣͣ˺
ڷƱͻƶͬʱ١ʹ֮ᡱлḺĸ߲ǣҲ֮ڹؿڱ
һȱߣܹôĿߣǵһμ
壬ȥҳڣǵİȫԷġΨʵоԵģ˵δԸֻûʲô⡣
ʮָˣȻԹʤǷͨDZŲÿɷ̬ȣ˳ᢣŷ
(1/2)ҳ,һҳĶ
ǩĶ